    #maincenter{
        position: relative;
        z-index: 1;
        float: left;
        width: 410px;
        height: 1200px;
        margin-right: 40px;
    }
    .centertop{
        width: 440px;
        height: 40px;
        border-bottom: 1px solid rgb(202,224,243);
    }
    .centertop div{
        float: left;
    }
    .centertop a{
        text-decoration: none;
        font-size: 20px;
        padding-bottom: 5px;
        border-bottom: 5px solid rgb(20,121,215);
        color: rgb(20,142,221);
    }
    .centerbody{
        margin-top: 27px;
        width: 440px;
        height: 1000px;
    }
    .center1-div{
        float: left;
        margin-left: 5px;
        margin-top: 5px;
    }
    .center1-a1{
        text-decoration: none;
        color: rgb(37,62,109);
        font-size: 16px;
        font-weight: bold;
        padding-right: 7px;
        margin-right: 10px;
        border-right: 1px solid rgb(225,225,225);
    }
    .center1-a2{
        text-decoration: none;
        color: black;
        font-size: 16px;
    }
    #maincenter a:hover{
        color: rgb(12,130,255);
    }
    .centerbr1{
        position: relative;
        left: 10px;
        bottom: 10px;
        z-index: 1;
        margin:12px 0;
        width: 240px;
    }
    .center2top-img{
        float: left;
        width: 220px;
        border-radius: 5px;
        margin-right: 20px;
        margin-bottom: 20px;
    }
    .center2top-div a{
        float: left;
        margin-bottom: 20px;
        width: 200px;
        text-decoration: none;
        color: black;
        font-size: 16px;
    }
    .center2{
        position: relative;
        bottom: 20px;
    }